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"3-Tier Architecture" Vs. MVC

Bob Scott
Ranch Hand

Joined: Oct 04, 2012
Posts: 40

I don't know if this can be answered in a short space, but when depicting a 3-tier architecture it was always shown with the client, then the business tier in the middle, and the database on the back end.

Now, it seems like when MVC is shown in a diagram it shows the client, then the DATABASE in the middle, with the business tier (I assume) on the back end.

I don't understand the difference (or the advantage) of MVC over the traditional 3-tier. Thanks!
Bear Bibeault
Author and ninkuma

Joined: Jan 10, 2002
Posts: 63866

No, the database is not "before" the business layer. You must have seen some poor diagrams.

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subject: "3-Tier Architecture" Vs. MVC
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